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1. |
To orient a plane table at a point roughly south of the mid-point of two inaccessible conical hill stations and in the plains, a point is selected in line with and table is oriented at by bringing in line with . ray is then drawn towards and at the table is oriented by back ray method. The orientation so obtained, is |
A. | unique and correct |
B. | incorrect |
C. | manifold and correct |
D. | not reliable. |
Answer» D. not reliable. | |